Jabiru Aircraft
SECTION 6
Model J160-C
WEIGHT AND BALANCE
JP-FM-06
Revision:
0
1
2
1 Dec 2008
Page 6-10
Calculating the Operating CG Locations
2-1.
Take the calculated Empty Weight Trim Index and mark it’s position on the Aircraft
Index Units Ladder at the top of the sheet.
2-2
Draw a vertical line down from the point marked above to intersect with a sloping line
in the “Crew Index Units” scale and mark this point.
2-3
Calculate the weight of the crew and round this value to the nearest 10-kg.
2-4
Move horizontally to the right from the point marked in Step 2-2 one line for each 10-
kg of load calculated. (i.e. 60-kg = 6 lines) and mark a point at this location.
2-5
Draw a vertical line down from the point marked above to intersect with a sloping line
in the Baggage Area scale and mark this point.
2-6
Calculate the weight that will be placed Baggage Area and round this value to the
nearest 5-kg.
2-7
Move horizontally to the right from the point marked in Step 2-5 one line for each 5-
kg of load calculated. (i.e. 20-kg = 4 lines) and mark a point at this location.
2-8
Drop a vertical line down from the point marked in Step 2-10 to intersect a sloping
line in “Fuel Chart”, and mark a point at this location.
2-9
Continue the Vertical Line began in Step 2-11 down to intersect with the “Zero Fuel
Weight Line” drawn in Step 1-9. mark this point as the “ZERO FUEL Condition”
2-10
Move horizontally to the right from the point marked in Step 2-11 in the “Take-Off
Fuel Box”, one line for each 10 liters of take-off fuel, and mark this point.
2-11
Move vertically downward from the take-off fuel point marked in Step 2-13 to
intersect with the “Take-Off Fuel Weight Line” marked in Step 1-9. Mark this point
the “Take-Off Condition”
6.3.3
Allowable Loading Conditions
An allowable loading condition exists when both the “Zero Fuel Condition”, and the “Take-Off
Condition” fall with the area bounded by the Line in the Aircraft Trim Conditions Box.
For reference, the example below shows two 90kg people, 5kg in Baggage Zone and 60L of fuel.
The aircraft’s starting Index Unit is 49.5 at 275kg.
Содержание J160-C
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